'St John's-wort' definitions:
Definition of 'St John's-wort'
From: GCIDE
- Hypericum \Hy*per"i*cum\, n. [L., fr. Gr. ?, ?; ? under, among + ?, ?, heath, heather.] (Bot.) A genus of plants, generally with dotted leaves and yellow flowers; -- called also St. John's-wort. [1913 Webster]